diff --git a/packages/react-dom/npm/unstable_testing.js b/packages/react-dom/npm/unstable_testing.js
index 0cb587bf9a9dcb..bb0dfdfa8865f2 100644
--- a/packages/react-dom/npm/unstable_testing.js
+++ b/packages/react-dom/npm/unstable_testing.js
@@ -32,7 +32,7 @@ if (process.env.NODE_ENV === 'production') {
   // DCE check should happen before ReactDOM bundle executes so that
   // DevTools can report bad minification during injection.
   checkDCE();
-  module.exports = require('./cjs/react-dom-testing.production.min.js');
+  module.exports = require('./cjs/react-dom-unstable_testing.production.min.js');
 } else {
-  module.exports = require('./cjs/react-dom-testing.development.js');
+  module.exports = require('./cjs/react-dom-unstable_testing.development.js');
 }
diff --git a/packages/react-dom/src/__tests__/ReactDOMTestSelectors-test.internal.js b/packages/react-dom/src/__tests__/ReactDOMTestSelectors-test.js
similarity index 98%
rename from packages/react-dom/src/__tests__/ReactDOMTestSelectors-test.internal.js
rename to packages/react-dom/src/__tests__/ReactDOMTestSelectors-test.js
index 29cf7a9870ec15..ceb1ea598601b6 100644
--- a/packages/react-dom/src/__tests__/ReactDOMTestSelectors-test.internal.js
+++ b/packages/react-dom/src/__tests__/ReactDOMTestSelectors-test.js
@@ -31,21 +31,23 @@ describe('ReactDOMTestSelectors', () => {
     jest.resetModules();
 
     React = require('react');
-
-    const ReactDOM = require('react-dom/testing');
     act = React.unstable_act;
-    createComponentSelector = ReactDOM.createComponentSelector;
-    createHasPseudoClassSelector = ReactDOM.createHasPseudoClassSelector;
-    createRoleSelector = ReactDOM.createRoleSelector;
-    createTextSelector = ReactDOM.createTextSelector;
-    createTestNameSelector = ReactDOM.createTestNameSelector;
-    findAllNodes = ReactDOM.findAllNodes;
-    findBoundingRects = ReactDOM.findBoundingRects;
-    focusWithin = ReactDOM.focusWithin;
-    getFindAllNodesFailureDescription =
-      ReactDOM.getFindAllNodesFailureDescription;
-    observeVisibleRects = ReactDOM.observeVisibleRects;
-    render = ReactDOM.render;
+
+    if (__EXPERIMENTAL__ || global.__WWW__) {
+      const ReactDOM = require('react-dom/unstable_testing');
+      createComponentSelector = ReactDOM.createComponentSelector;
+      createHasPseudoClassSelector = ReactDOM.createHasPseudoClassSelector;
+      createRoleSelector = ReactDOM.createRoleSelector;
+      createTextSelector = ReactDOM.createTextSelector;
+      createTestNameSelector = ReactDOM.createTestNameSelector;
+      findAllNodes = ReactDOM.findAllNodes;
+      findBoundingRects = ReactDOM.findBoundingRects;
+      focusWithin = ReactDOM.focusWithin;
+      getFindAllNodesFailureDescription =
+        ReactDOM.getFindAllNodesFailureDescription;
+      observeVisibleRects = ReactDOM.observeVisibleRects;
+      render = ReactDOM.render;
+    }
 
     container = document.createElement('div');
     document.body.appendChild(container);
diff --git a/packages/react-dom/testing.classic.fb.js b/packages/react-dom/unstable_testing.classic.fb.js
similarity index 100%
rename from packages/react-dom/testing.classic.fb.js
rename to packages/react-dom/unstable_testing.classic.fb.js
diff --git a/packages/react-dom/testing.experimental.js b/packages/react-dom/unstable_testing.experimental.js
similarity index 100%
rename from packages/react-dom/testing.experimental.js
rename to packages/react-dom/unstable_testing.experimental.js
diff --git a/packages/react-dom/testing.js b/packages/react-dom/unstable_testing.js
similarity index 100%
rename from packages/react-dom/testing.js
rename to packages/react-dom/unstable_testing.js
diff --git a/packages/react-dom/testing.modern.fb.js b/packages/react-dom/unstable_testing.modern.fb.js
similarity index 100%
rename from packages/react-dom/testing.modern.fb.js
rename to packages/react-dom/unstable_testing.modern.fb.js
diff --git a/packages/react-dom/testing.stable.js b/packages/react-dom/unstable_testing.stable.js
similarity index 100%
rename from packages/react-dom/testing.stable.js
rename to packages/react-dom/unstable_testing.stable.js
diff --git a/scripts/rollup/bundles.js b/scripts/rollup/bundles.js
index 4ac846e78a9a24..5381ffe9335441 100644
--- a/scripts/rollup/bundles.js
+++ b/scripts/rollup/bundles.js
@@ -245,12 +245,13 @@ const bundles = [
     externals: ['react', 'react-dom'],
   },
 
-  // TODO: We don't use this bundle anymore
   /******* React DOM - www - Testing *******/
   {
     moduleType: RENDERER,
-    bundleTypes: [FB_WWW_DEV, FB_WWW_PROD, NODE_DEV, NODE_PROD],
-    entry: 'react-dom/testing',
+    bundleTypes: __EXPERIMENTAL__
+      ? [FB_WWW_DEV, FB_WWW_PROD, NODE_DEV, NODE_PROD]
+      : [FB_WWW_DEV, FB_WWW_PROD],
+    entry: 'react-dom/unstable_testing',
     global: 'ReactDOMTesting',
     minifyWithProdErrorCodes: true,
     wrapWithModuleBoundaries: false,
diff --git a/scripts/rollup/forks.js b/scripts/rollup/forks.js
index b2234fa42a010a..9cab6e5be39046 100644
--- a/scripts/rollup/forks.js
+++ b/scripts/rollup/forks.js
@@ -129,7 +129,7 @@ const forks = Object.freeze({
             return 'shared/forks/ReactFeatureFlags.test-renderer.www.js';
         }
         return 'shared/forks/ReactFeatureFlags.test-renderer.js';
-      case 'react-dom/testing':
+      case 'react-dom/unstable_testing':
         switch (bundleType) {
           case FB_WWW_DEV:
           case FB_WWW_PROD:
diff --git a/scripts/rollup/packaging.js b/scripts/rollup/packaging.js
index 793ba1a2da9acd..87675ae9f73c00 100644
--- a/scripts/rollup/packaging.js
+++ b/scripts/rollup/packaging.js
@@ -139,7 +139,11 @@ let entryPointsToHasBundle = new Map();
 for (const bundle of Bundles.bundles) {
   let hasBundle = entryPointsToHasBundle.get(bundle.entry);
   if (!hasBundle) {
-    entryPointsToHasBundle.set(bundle.entry, bundle.bundleTypes.length > 0);
+    const hasNonFBBundleTypes = bundle.bundleTypes.some(
+      type =>
+        type !== FB_WWW_DEV && type !== FB_WWW_PROD && type !== FB_WWW_PROFILING
+    );
+    entryPointsToHasBundle.set(bundle.entry, hasNonFBBundleTypes);
   }
 }
 
@@ -176,6 +180,15 @@ function filterOutEntrypoints(name) {
       i--;
       unlinkSync(`build/node_modules/${name}/${filename}`);
       changed = true;
+      // Remove it from the exports field too if it exists.
+      const exportsJSON = packageJSON.exports;
+      if (exportsJSON) {
+        if (filename === 'index.js') {
+          delete exportsJSON['.'];
+        } else {
+          delete exportsJSON['./' + filename.replace(/\.js$/, '')];
+        }
+      }
     }
   }
   if (changed) {
diff --git a/scripts/shared/inlinedHostConfigs.js b/scripts/shared/inlinedHostConfigs.js
index f6d349502f6ba9..5b4520d8b2f11b 100644
--- a/scripts/shared/inlinedHostConfigs.js
+++ b/scripts/shared/inlinedHostConfigs.js
@@ -11,7 +11,7 @@ module.exports = [
     shortName: 'dom',
     entryPoints: [
       'react-dom',
-      'react-dom/testing',
+      'react-dom/unstable_testing',
       'react-dom/src/server/ReactDOMFizzServerNode',
       'react-server-dom-webpack/writer.node.server',
       'react-server-dom-webpack',
@@ -33,14 +33,14 @@ module.exports = [
     shortName: 'dom-browser',
     entryPoints: [
       'react-dom',
-      'react-dom/testing',
+      'react-dom/unstable_testing',
       'react-dom/src/server/ReactDOMFizzServerBrowser',
       'react-server-dom-webpack/writer.browser.server',
       'react-server-dom-webpack',
     ],
     paths: [
       'react-dom',
-      'react-dom/testing',
+      'react-dom/unstable_testing',
       'react-dom/src/server/ReactDOMFizzServerBrowser.js', // react-dom/server.browser
       'react-server-dom-webpack',
       'react-server-dom-webpack/writer.browser.server',